I've just added this to the pack im playing, and dark oaks and spruce trees , which are the vanilla trees I was interested in growing with this mod refuse to grow more branches/leaves after a certain point, plain oaks work fine, but If I transform the oak to a dark oak or a spruce it stops growing,

it doesnt matter if I bonemeal them , or if I use the growing potion , or if I set randomtickspeed to 3000, they dont budge.

I have rustic installed if that may be causing it or something =/

The problem is that you're trying to grow them in the desert.

is that it? oh! fair enough!

edit: sorry to bother you then!